3. On the master router, establish a VRRP BFD sessions with the backup routers. Refer to Establishing
Sessions with All VRRP Neighbors.
Related Configuration Tasks
•Changing VRRP Session Parameters.
•Disabling BFD for VRRP.
Establishing Sessions with All VRRP Neighbors
BFD sessions can be established for all VRRP neighbors at once, or a session can be established with a
particular neighbor.
Figure 14. Establishing Sessions with All VRRP Neighbors
To establish sessions with all VRRP neighbors, use the following command.
• Establish sessions with all VRRP neighbors.
INTERFACE mode
vrrp bfd all-neighbors
Establishing VRRP Sessions on VRRP Neighbors
The master router does not care about the state of the backup router, so it does not participate in any
VRRP BFD sessions.
VRRP BFD sessions on the backup router cannot change to the UP state. Configure the master router to
establish an individual VRRP session the backup router.
Bidirectional Forwarding Detection (BFD) 167